Respuesta :
Answer:
thank u
Step-by-step explanation:
2(l+w)=112.8
l+w=112.8/2
36.9+w=56.4
w=56.4-36.9
w=19.5
Answer:
W = 19.5
Step-by-step explanation:
substitute the given values into the equation
112.8 = 2(36.9 + W) ← divide both sides by 2
56.4 = 36.9 + W ( subtract 36.9 from both sides )
19.5 = W